Record keep alive registry's state in stability instrumentation

components/browser_watcher/stability_data_names.h

Index: components/browser_watcher/stability_data_names.h
diff --git a/components/browser_watcher/stability_data_names.h b/components/browser_watcher/stability_data_names.h
index 4ee91012b67e6ec11d411f7aa7e8fe68b2816e24..9ea312f551b4f13048e25c9b57a5771597f40072 100644
--- a/components/browser_watcher/stability_data_names.h
+++ b/components/browser_watcher/stability_data_names.h
@@ -10,12 +10,14 @@ namespace browser_watcher {
 // Alphabetical list of stability data names.
 extern const char kStabilityChannel[];
 extern const char kStabilityExecutionPhase[];
+extern const char kStabilityKeepAlive[];
 extern const char kStabilityPlatform[];
 extern const char kStabilityProduct[];
 extern const char kStabilityReporterChannel[];
 extern const char kStabilityReporterPlatform[];
 extern const char kStabilityReporterProduct[];
 extern const char kStabilityReporterVersion[];
+extern const char kStabilityRestartAllowed[];
 extern const char kStabilitySpecialBuild[];
 extern const char kStabilityStartTimestamp[];
 extern const char kStabilityVersion[];